This is the latest three chamber design of the 50 series muffler that utilizes Flowmasters patented "Delta Flow" technology along with an internal tuning chamber to eliminate most all interior resonance and still have that famous Flowmaster sound outside the vehicle.

This is the latest three chamber design of the 50 series muffler that utilizes Flowmasters patented "Delta Flow" technology along with an internal tuning chamber to eliminate most all interior resonance and still have that famous Flowmaster sound outside the vehicle.

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